Mathematica 9 is now available
Student Support Forum
-----
Student Support Forum > General > > "Simplify"

Post Reply:
Name:
Email Address:

Please send email when my message is replied to.

Url (optional):
Subject:
Message: view original message?
Attachment (optional):
Please answer this:2+2 =



Original Message (ID '372501') By Steve:
Replace the dot between a and Sin and a and Cos with a space or a star: In[1]:= Simplify[a.Cos[x]^2 + a.Sin[x]^2] Out[1]= a.sin^2(x)+a.cos^2(x) In[2]:= Simplify[a Cos[x]^2 + a Sin[x]^2] Out[2]= a In[3]:= Simplify[a*Cos[x]^2 + a*Sin[x]^2] Out[3]= a